Originally Posted by Frank ZZR
Oil related engine failures are very,very rare. Use oil that meets recommendations and change as recommended and your engine will last as long as you need it to. We have a fleet of vehicles at work that have the engine oil changed every 10,000km with regular oils. We keep them until 300,000 km. Never a oil related failure for the last 20+ years.
In reality you make a good point and it is true. The oils and filters have improved so much over the years, the likely only oil related failures are from not changing the oil and filter, letting the oil level drop significantly to none and using the wrong weight.